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Memory Map

The following is a memory map that was generated based on the MAME source code (.180).  This information is only as accurate as the MAME driver is.  If you see any errors, please let me know what that error is.
 
The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.
Tetris (bootleg, 0)
Memory Area:tetriskr_io
Address RangeLengthFunctionDescription
0x0000-0x00FF256Devicemb, pc_noppi_mb_device, map
0x03C81Read PortIN0
0x0001Coin 1Active Low
0x0002OffActive High
0x0000OnActive High
0x0004Button 2Active Low
0x0008Joystick DownActive Low
0x0010Joystick LeftActive Low
0x0020Joystick RightActive Low
0x0040Button 1Active Low
0x0080Start 1Active Low
0x03C91Read PortIN1
0x00030Active High
0x00022Active High
0x00014Active High
0x00006Active High
0x0000NoActive High
0x0004YesActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x00002C_1CActive High
0x00402C_1CActive High
0x00c01C_1CActive High
0x00801C_2CActive High
Memory Area:tetriskr_map
Address RangeLengthFunctionDescription
0xF0000-0xFFFFF65536ROM, Regionbios, 0
 

ROM Map for this game

 
This is the ROM map for the game.  This should tell you what address the ROM is at, how big it is, what it's used for.   
Memory Area:bios
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b-10.u10CRC(efc2a0f6) (Fluke: 8C31)
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